package com.atguigu.guli.service.edu.controller.api;

import org.springframework.web.bind.annotation.CrossOrigin;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.http.HttpServletRequest;
import java.io.File;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;

@CrossOrigin
@RestController
public class FileUploadController {
SimpleDateFormat sdf=new SimpleDateFormat("/yyyy/MM/dd/");
@PostMapping("/upload")
    public Map<String,Object> fileupload(MultipartFile file, HttpServletRequest req)  {
    Map<String,Object> result =new HashMap<>();
    String originName = file.getOriginalFilename();
    if(!originName.endsWith(".pdf")){
        result.put("status","error");
        result.put("msg","文件类型不对");
        return  result;
    }
    String format =sdf.format(new Date());
   String realPath= req.getServletContext().getRealPath("/")+format;
    File  folder=new File(realPath);
     if(!folder.exists()){
         folder.mkdirs();
     }
  String newName= UUID.randomUUID().toString()+".pdf";
     try {
         file.transferTo(new File(folder,newName));
         String url=req.getScheme()+"://"+req.getServerName()+":"
                 + req.getServerPort()+format+newName;
         result.put("status ","success");
         result.put("url",url);
     }catch (IOException e){
         result.put("status","error");
         result.put("msg",e.getMessage());

     }
     return  result;


}


}
